eNextState get_one_mx_host_ip_done(AsyncIO *IO)
{
SmtpOutMsg *Msg = IO->Data;
struct hostent *hostent;
IO->ConnectMe = Msg->pCurrRelay;
QueryCbDone(IO);
EVS_syslog(LOG_DEBUG, "%s Time[%fs]\n",
__FUNCTION__,
IO->Now - IO->DNS.Start);
hostent = Msg->HostLookup.VParsedDNSReply;
if ((Msg->HostLookup.DNSStatus == ARES_SUCCESS) &&
(hostent != NULL) ) {
memset(&Msg->pCurrRelay->Addr, 0, sizeof(struct in6_addr));
if (Msg->pCurrRelay->IPv6) {
memcpy(&Msg->pCurrRelay->Addr.sin6_addr.s6_addr,
&hostent->h_addr_list[0],
sizeof(struct in6_addr));
Msg->pCurrRelay->Addr.sin6_family =
hostent->h_addrtype;
Msg->pCurrRelay->Addr.sin6_port =
htons(Msg->IO.ConnectMe->Port);
}
else {
struct sockaddr_in *addr;
/*
* Bypass the ns lookup result like this:
* IO->Addr.sin_addr.s_addr = inet_addr("127.0.0.1");
* addr->sin_addr.s_addr =
* htonl((uint32_t)&hostent->h_addr_list[0]);
*/
addr = (struct sockaddr_in*) &Msg->pCurrRelay->Addr;
memcpy(&addr->sin_addr.s_addr,
hostent->h_addr_list[0],
sizeof(uint32_t));
addr->sin_family = hostent->h_addrtype;
addr->sin_port = htons(Msg->IO.ConnectMe->Port);
}
Msg->mx_host = Msg->pCurrRelay->Host;
if (Msg->HostLookup.VParsedDNSReply != NULL) {
Msg->HostLookup.DNSReplyFree(Msg->HostLookup.VParsedDNSReply);
Msg->HostLookup.VParsedDNSReply = NULL;
}
return mx_connect_ip(IO);
}
else {
SetSMTPState(IO, eSTMPfailOne);
if (Msg->HostLookup.VParsedDNSReply != NULL) {
Msg->HostLookup.DNSReplyFree(Msg->HostLookup.VParsedDNSReply);
Msg->HostLookup.VParsedDNSReply = NULL;
}
return FailOneAttempt(IO);
}
}
eNextState pop3_get_one_host_ip_done(AsyncIO *IO)
{
pop3aggr *cpptr = IO->Data;
struct hostent *hostent;
QueryCbDone(IO);
hostent = cpptr->HostLookup.VParsedDNSReply;
if ((cpptr->HostLookup.DNSStatus == ARES_SUCCESS) &&
(hostent != NULL) ) {
memset(&cpptr->IO.ConnectMe->Addr, 0, sizeof(struct in6_addr));
if (cpptr->IO.ConnectMe->IPv6) {
memcpy(&cpptr->IO.ConnectMe->Addr.sin6_addr.s6_addr,
&hostent->h_addr_list[0],
sizeof(struct in6_addr));
cpptr->IO.ConnectMe->Addr.sin6_family =
hostent->h_addrtype;
cpptr->IO.ConnectMe->Addr.sin6_port =
htons(DefaultPOP3Port);
}
else {
struct sockaddr_in *addr =
(struct sockaddr_in*)
&cpptr->IO.ConnectMe->Addr;
memcpy(&addr->sin_addr.s_addr,
hostent->h_addr_list[0],
sizeof(uint32_t));
addr->sin_family = hostent->h_addrtype;
addr->sin_port = htons(DefaultPOP3Port);
}
return pop3_connect_ip(IO);
}
else
return eAbort;
}
/*****************************************************************************
* here we try to find out about the MX records for our recipients. *
*****************************************************************************/
eNextState smtp_resolve_mx_record_done(AsyncIO *IO)
{
SmtpOutMsg * Msg = IO->Data;
ParsedURL **pp;
QueryCbDone(IO);
EVS_syslog(LOG_DEBUG, "%s Time[%fs]\n",
__FUNCTION__,
IO->Now - IO->DNS.Start);
pp = &Msg->Relay;
while ((pp != NULL) && (*pp != NULL) && ((*pp)->Next != NULL))
pp = &(*pp)->Next;
if ((IO->DNS.Query->DNSStatus == ARES_SUCCESS) &&
(IO->DNS.Query->VParsedDNSReply != NULL))
{ /* ok, we found mx records. */
Msg->CurrMX
= Msg->AllMX
= IO->DNS.Query->VParsedDNSReply;
while (Msg->CurrMX) {
int i;
for (i = 0; i < 2; i++) {
ParsedURL *p;
p = (ParsedURL*) malloc(sizeof(ParsedURL));
memset(p, 0, sizeof(ParsedURL));
p->Priority = Msg->CurrMX->priority;
p->IsIP = 0;
p->Port = DefaultMXPort;
p->IPv6 = i == 1;
p->Host = Msg->CurrMX->host;
if (*pp == NULL)
*pp = p;
else {
ParsedURL *ppp = *pp;
while ((ppp->Next != NULL) &&
(ppp->Next->Priority <= p->Priority))
ppp = ppp->Next;
if ((ppp == *pp) &&
(ppp->Priority > p->Priority)) {
p->Next = *pp;
*pp = p;
}
else {
p->Next = ppp->Next;
ppp->Next = p;
}
}
}
Msg->CurrMX = Msg->CurrMX->next;
}
Msg->CXFlags = Msg->CXFlags & F_HAVE_MX;
}
else { /* else fall back to the plain hostname */
int i;
for (i = 0; i < 2; i++) {
ParsedURL *p;
p = (ParsedURL*) malloc(sizeof(ParsedURL));
memset(p, 0, sizeof(ParsedURL));
p->IsIP = 0;
p->Port = DefaultMXPort;
p->IPv6 = i == 1;
p->Host = Msg->node;
*pp = p;
pp = &p->Next;
}
Msg->CXFlags = Msg->CXFlags & F_DIRECT;
}
if (Msg->MyQItem->FallBackHost != NULL)
{
Msg->MyQItem->FallBackHost->Next = *pp;
*pp = Msg->MyQItem->FallBackHost;
}
Msg->pCurrRelay = Msg->Relay;
return get_one_mx_host_ip(IO);
}
